Image sensor and image reading apparatus

Details Image sensor and image reading apparatus Image sensor and image reading apparatus

1998-04-23

2000-09-12

Lee, John R

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

358482, H04N 1040

Patent

active

061181145

ABSTRACT:
An image sensor is provided for reading images on an image carrying paper irradiated by light emitted from a light source. The image sensor includes a plurality of image sensor chips for receiving reflected light from the image carrying paper for output of image signals in accordance with the luminous energy of the reflected light. The image sensor also includes a light detector for receiving light directly from the light source for output of a detection signal in accordance with the luminous energy of the directly received light.

REFERENCES:
patent: 4680644 (1987-07-01), Shirato et al.
patent: 4723174 (1988-02-01), Nishikawa et al.
patent: 4896222 (1990-01-01), Fukai
patent: 5212376 (1993-05-01), Liang
patent: 5822052 (1998-10-01), Tsai
patent: 5859421 (1999-01-01), Onishi et al.

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